Google Search Console updates on different schedules depending on the report type. Performance data (clicks, impressions, position) usually appears within 1–3 days, with most data showing up by the second day. Index Coverage and sitemap processing can take 3–7 days to reflect new pages or fixes you've made, and sometimes longer for larger sites with thousands of URLs. The crawl stats report updates daily but aggregates data over longer periods, so you won't see immediate spikes from yesterday's activity. URL Inspection Tool shows real-time indexed status when you test a live URL, but the "last crawled" date in the tool reflects whenever Googlebot actually visited that page, which could be weeks or months ago for low-priority content. Core Web Vitals data has the longest lag, typically 28 days, because Google collects real user metrics over rolling windows. You won't see CWV improvements until enough actual visitors have experienced your updated pages. Manual actions and security issues usually appear within 24–48 hours if Google detects a problem. Some frustrating quirks we see at Ottawa SEO: new sites can sit in "discovered but not indexed" for weeks even after submitting sitemaps, and removal requests process within 24 hours but the URL might still appear in search for a few days. When we migrate a client site or launch major updates, we tell them to wait at least a week before evaluating GSC data, because the mix of old and new crawl data creates misleading charts. If you're troubleshooting why pages aren't indexing, use the URL Inspection Tool to request indexing, then check back in 3–5 days. For performance tracking, pull weekly or monthly reports rather than obsessing over daily numbers, since the lag and sampling mean day-to-day changes are often noise. The one exception: if you fix a manual action or critical technical issue, you can usually request reconsideration and see results within 48–72 hours if the fix actually worked.